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Head-to-head · Digital Signature API Software

signNow vs Signater

  • Updated Sep 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score signNow #4 in Digital Signature API Software 7.4/10 From $8/user/mo (annual) · 7-day trial ✓ 0 of 5 features Visit signNow
Signater #7 in Digital Signature API Software 6.9/10 Free plan · paid from $39/mo Free plan✓ 4 of 5 features Visit Signater

signNow leads on 0 checks, Signater on 5, and 0 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoresignNow · 7.4/10
  • Free planonly Signater
  • Most featuresSignater · 4 of 5

signNow scores higher on our rubric for digital signature api software: 7.4 against 6.9 out of 10; our editors rank them #4 and #7.

Signater offers free plan; signNow doesn't. Signater offers identity verification; signNow doesn't publish it. Signater offers workflow status api; signNow doesn't publish it. Signater offers signed-file retrieval; signNow doesn't publish it. Signater offers sandbox environment; signNow doesn't publish it.

signNow is the better fit for teams wanting affordable API signing. Signater is the better fit for developers needing identity and white-label controls.

  • signNow fits best

    Teams wanting affordable API signing

  • Signater fits best

    Developers needing identity and white-label controls

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature signNow 7.4/10 Visit ↗ Signater 6.9/10 Visit ↗
At a glance
Editor score 7.4 6.9
Ranking #4 in Digital Signature API Software #7 in Digital Signature API Software
Best for Teams wanting affordable API signing Developers needing identity and white-label controls
Pricing model Paid Free plan + paid
Starting price Not published $39/mo
Free plan — ✓ (best)
Free trial — —
Deployment Cloud, Mobile Cloud, Browser extension
Platforms Web, iOS, Android Web, iOS, Android
Support Email, Phone, Live chat, Docs · 24/7 Email, Live chat, Docs
Compliance SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS, 2FA GDPR, 2FA
Integrations 40+ integrations 6 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features signNow 0/5 · Signater 4/5
Embedded signing Not published Not published
Identity verification Not published ✓ (best)
Workflow status API Not published ✓ (best)
Signed-file retrieval Not published ✓ (best)
Sandbox environment Not published ✓ (best)
Specs
SDK languages Not published Not published
Webhook event types Not published 10
Our review
Pros
  • REST and SOAP APIs support embedded signing workflows.
  • Templates, bulk sending, and audit trails support repeatable document work.
  • Integrates with Salesforce, Microsoft 365, Google Workspace, and Zapier.
  • REST API, webhooks, sandbox, and signed-document retrieval
  • Identity checks include selfie, liveness, SMS, email, and certificates
  • Enterprise supports white-label branding and managed accounts for resale
Cons
  • There is no free plan.
  • The seven-day free trial is shorter than some evaluation periods.
  • Full API access is identified with the Site License rather than standard self-serve plans.
  • API access is limited to Business and Enterprise plans
  • Free plan allows only 3 envelopes per month and 1 user
  • Enterprise pricing starts at $499 monthly or $299 monthly annually
Our verdict

signNow is a cloud-based electronic signature and document workflow platform from airSlate. It is designed for individuals and businesses that need to create, send, sign, and manage legally binding documents. Its feature set suits teams…

Read the review →

Signater is a cloud-based electronic-signature platform for businesses that send, authenticate, track, and store signed documents. It is aimed at developers and teams that need programmable envelope workflows, configurable signer…

Read the review →
  1. signNowDigital Signature API Software 7.4From $8/user/mo (annual) · 7-day trial
  2. SignaterDigital Signature API Software 6.9Free plan · paid from $39/mo

Strengths and trade-offs

  • signNow — where it wins

    • REST and SOAP APIs support embedded signing workflows.
    • Templates, bulk sending, and audit trails support repeatable document work.
    • Integrates with Salesforce, Microsoft 365, Google Workspace, and Zapier.

    Where it doesn't

    • There is no free plan.
    • The seven-day free trial is shorter than some evaluation periods.
    • Full API access is identified with the Site License rather than standard self-serve plans.

  • Signater — where it wins

    • REST API, webhooks, sandbox, and signed-document retrieval
    • Identity checks include selfie, liveness, SMS, email, and certificates
    • Enterprise supports white-label branding and managed accounts for resale

    Where it doesn't

    • API access is limited to Business and Enterprise plans
    • Free plan allows only 3 envelopes per month and 1 user
    • Enterprise pricing starts at $499 monthly or $299 monthly annually
  • signNow7.4/10 · From $8/user/mo (annual) · 7-day trial

    Affordable API and embedded signing with templates, authentication, and broad integrations.

    Visit signNowFull verdict →
  • Signater6.9/10 · Free plan · paid from $39/mo

    A developer-focused signing platform with strong identity and white-label options.

    Visit SignaterFull verdict →

More comparisons

All digital signature API software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update